I'm not an expert by any means, tho I would guess there is likely some movement, but much less. I'm not sure what kind of filter you have. If it is a powered filter and it can't sit astride your divider, I would put it so the intake is right next to and touching the divider. You could also put a sponge filter in the still side.

I'm not an expert by any means, tho I would guess there is likely some movement, but much less. I'm not sure what kind of filter you have. If it is a powered filter and it can't sit astride your divider, I would put it so the intake is right next to and touching the divider. You could also put a sponge filter in the still side.

I'm thinking of getting a sponge filter. That would probably work best. Maybe I will lose my current filter all together and just use a sponge.